From: Dan Dennedy <dan@dennedy.org>
Date: Wed, 22 May 2013 04:43:03 +0000 (-0700)
Subject: Fix int overflow in force_fps handling.
X-Git-Url: https://git.sesse.net/?a=commitdiff_plain;h=27e3ae8c691bcffa71dfab507eb608cb8c8ad07c;p=mlt

Fix int overflow in force_fps handling.
---

diff --git a/src/modules/avformat/producer_avformat.c b/src/modules/avformat/producer_avformat.c
index da4dcb2d..dbe36a8d 100644
--- a/src/modules/avformat/producer_avformat.c
+++ b/src/modules/avformat/producer_avformat.c
@@ -1811,8 +1811,7 @@ static int video_codec_init( producer_avformat self, int index, mlt_properties p
 		if ( mlt_properties_get( properties, "force_fps" ) )
 		{
 			AVRational force_fps = av_d2q( mlt_properties_get_double( properties, "force_fps" ), 1024 );
-			self->video_time_base.num *= frame_rate.num * force_fps.den;
-			self->video_time_base.den *= frame_rate.den * force_fps.num;
+			self->video_time_base = av_mul_q( stream->time_base, av_div_q( frame_rate, force_fps ) );
 			frame_rate = force_fps;
 		}
 		mlt_properties_set_int( properties, "meta.media.frame_rate_num", frame_rate.num );